/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.sentry.spring.boot;

import com.jakewharton.nopen.annotation.Open;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.springframework.beans.BeansException;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * Resolves {@link SentryProperties} inAppIncludes by getting a package name from a class annotated
 * with {@link SpringBootConfiguration} or another annotation meta-annotated with {@link
 * SpringBootConfiguration} like {@link SpringBootApplication}.
 */
@Open
public class InAppIncludesResolver implements ApplicationContextAware {
    private @Nullable ApplicationContext applicationContext;

    /**
     * resolveInAppIncludes
     *
     * @return List<String>
     */
    @NotNull
    public List<String> resolveInAppIncludes() {
        if (applicationContext != null) {
            Map<String, Object> beansWithAnnotation =
                applicationContext.getBeansWithAnnotation(SpringBootConfiguration.class);
            return beansWithAnnotation.values().stream()
                .map(bean -> bean.getClass().getPackage().getName())
                .collect(Collectors.toList());
        } else {
            return Collections.emptyList();
        }
    }

    /**
     * setApplicationContext
     *
     * @param applicationContext ApplicationContext
     * @throws BeansException
     */
    @Override
    public void setApplicationContext(@NotNull ApplicationContext applicationContext)
        throws BeansException {
        this.applicationContext = applicationContext;
    }
}
